JPS6383945U - - Google Patents
Info
- Publication number
- JPS6383945U JPS6383945U JP17896286U JP17896286U JPS6383945U JP S6383945 U JPS6383945 U JP S6383945U JP 17896286 U JP17896286 U JP 17896286U JP 17896286 U JP17896286 U JP 17896286U JP S6383945 U JPS6383945 U JP S6383945U
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- switching element
- resistor
- storage battery
- current
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000010277 constant-current charging Methods 0.000 claims description 4
- 238000007600 charging Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 3
Description
第1図は本考案の蓄電池用定電流充電回路の一
実施例を示す電気回路図、第2図は上記第1図に
示す蓄電池用定電流充電回路の充電特性を示す図
、第3図は一般の定電流充電回路の構成を示すブ
ロツク図である。
3,4……電流制限用の抵抗、5……トランジ
スタ(第2のスイツチング素子)、6……トラン
ジスタ(主スイツチング素子)、7……トランジ
スタ(第3のスイツチング素子)、8……定電圧
ダイオード(第2の電圧素子)、13……トラン
ジスタ、15……トランジスタ(第1のスイツチ
ング素子)、16……タイマー用のIC、22…
…定電圧ダイオード(第1の電圧判別素子)、2
7a,27b,27c……出力端子、28a,2
8b,28c……入力端子、102……ニツカド
電池。
FIG. 1 is an electric circuit diagram showing an embodiment of the constant current charging circuit for storage batteries of the present invention, FIG. 2 is a diagram showing the charging characteristics of the constant current charging circuit for storage batteries shown in FIG. 1 above, and FIG. 1 is a block diagram showing the configuration of a general constant current charging circuit. 3, 4... Resistor for current limiting, 5... Transistor (second switching element), 6... Transistor (main switching element), 7... Transistor (third switching element), 8... Constant voltage Diode (second voltage element), 13... transistor, 15... transistor (first switching element), 16... timer IC, 22...
... Constant voltage diode (first voltage discrimination element), 2
7a, 27b, 27c...output terminal, 28a, 2
8b, 28c...Input terminal, 102...Nitsukad battery.
Claims (1)
とき信号を出力する第1の電圧判別素子と、 この第1の電圧判別素子からの出力信号に応じ
てオン・オフ動作をする第1のスイツチング素子
と、 直流電源供給部と上記蓄電池との間に介挿され
た少なくとも第1と第2の抵抗からなる直列回路
網で形成された電流制限回路と、 上記第1の抵抗と並列に接続されて、上記第1
のスイツチング素子のオン状態のときにオン状態
に、オフ状態のときにオフ状態にオン・オフ動作
し、この第1の抵抗を略短絡状態とする第2のス
イツチング素子と、 少なくとも上記直列回路網と並列に介挿され、
この直列回路網に流れる電流が上記所定値を越え
たときオン状態となる第3のスイツチング素子お
よび第2の電圧判別素子からなるスイツチング回
路部とを具備し、 上記蓄電池が所定の電圧より低い場合には上記
第1と第2の抵抗を経由する小電流で充電し、上
記蓄電池が所定の電圧より高い場合には上記第1
の抵抗を第2のスイツチング素子で短絡し、この
第2のスイツチング素子と上記第2の抵抗を経由
して大電流で充電するとともに、この大電流で充
電している間に蓄電池に電圧を供給する端子の電
圧が所定値より下つたときには上記直列回路網を
介して小電流の充電電流を供給することを特徴と
する蓄電池用定電流充電回路。[Claims for Utility Model Registration] A first voltage discrimination element that outputs a signal when the terminal voltage of the storage battery exceeds a predetermined value; a current limiting circuit formed of a series network consisting of a first switching element that performs an OFF operation; and at least a first and second resistor inserted between a DC power supply section and the storage battery; 1, the first resistor is connected in parallel with the first resistor.
a second switching element that turns on and off when the switching element is in the on state and turns off when the switching element is in the off state, and substantially shorts the first resistor; and at least the above-mentioned series circuit network. inserted in parallel with
and a switching circuit section consisting of a third switching element and a second voltage discrimination element that turn on when the current flowing through the series circuit network exceeds the predetermined value, and when the voltage of the storage battery is lower than the predetermined voltage. is charged with a small current passing through the first and second resistors, and when the voltage of the storage battery is higher than a predetermined voltage, the first
The resistor is short-circuited with a second switching element, and a large current is charged via this second switching element and the second resistor, and a voltage is supplied to the storage battery while being charged with this large current. A constant current charging circuit for a storage battery, characterized in that a small charging current is supplied via the series circuit network when the voltage at the terminal falls below a predetermined value.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP17896286U JPS6383945U (en) | 1986-11-20 | 1986-11-20 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP17896286U JPS6383945U (en) | 1986-11-20 | 1986-11-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6383945U true JPS6383945U (en) | 1988-06-01 |
Family
ID=31121588
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP17896286U Pending JPS6383945U (en) | 1986-11-20 | 1986-11-20 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6383945U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0386024A (en) * | 1989-08-29 | 1991-04-11 | Nippon Densan Corp | Battery charger |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS52142246A (en) * | 1976-05-21 | 1977-11-28 | Sawafuji Electric Co Ltd | Dc power source device |
JPS5523803B2 (en) * | 1976-10-20 | 1980-06-25 |
-
1986
- 1986-11-20 JP JP17896286U patent/JPS6383945U/ja active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS52142246A (en) * | 1976-05-21 | 1977-11-28 | Sawafuji Electric Co Ltd | Dc power source device |
JPS5523803B2 (en) * | 1976-10-20 | 1980-06-25 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0386024A (en) * | 1989-08-29 | 1991-04-11 | Nippon Densan Corp | Battery charger |
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